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ORIGINAL ARTICLE
Year : 2017  |  Volume : 51  |  Issue : 2  |  Page : 81-86

Effect of low-level laser therapy on orthodontic tooth movement


1 Gd Spl, 1200 MDC, India
2 Comdt and Command Dental Advisor (SC), CMDC (SC), India
3 CO & Cl Spl, MDC, India
4 Consultant, Department of Orthodontics and Dentofacial Orthopedics, Research and Referral Hospital, New Delhi, India
5 Assoc. Prof, Department of Orthodontics and Dentofacial Orthopedics, Hitkarini Dental College and Hospital, Jabalpur, Madhya Pradesh, India
6 Prof. and HOD, Department of Orthodontics and Dentofacial Orthopedics, Hitkarini Dental College and Hospital, Jabalpur, Madhya Pradesh, India

Correspondence Address:
Gagan Deep Kochar
200 MDC
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jios.jios_200_16

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Introduction: Prolonged orthodontic treatment duration is detrimental in terms of increased incidence of caries, root resorption, and reduced patient compliance. The aim of this randomized, clinical trial was to evaluate the effect of low-level laser therapy (LLLT) on the rate of orthodontic tooth movement (OTM) and pain control. Materials and Methods: This single-blind study included twenty participants requiring extraction of all first premolars. Randomly selected split-mouth design was used. One side was irradiated with 810 nm diode laser (dose of 5.0 J/cm2) at 10 points for 10 s. Irradiation was performed just after loading canine retraction forces and on days 3rd and 7th. Every 21st day, the force level of coil spring was adjusted, and LLLT protocol was repeated till retraction was complete. Measurements were recorded on study models to evaluate the rate of retraction. Results: Significant increase in OTM was observed on the side exposed to LLLT when compared to control side (P < 0.05). Statistically significant difference in pain perception was observed during first 2 days only between lased site and control site (P < 0.05). Conclusion: LLLT is a reliable tool for enhancing OTM and is effective in relieving pain at parameter settings and protocol used in this study.


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